In a rectangular plot of land 70m long and 40m broad ,a circular garden of radius 17.5m is developed.Find the cost of turfing the remaining portion at the rate of rs 28.50 per square metre.
In a rectangular plot of land 70m long and 40m broad ,a circular garden of radius 17.5m is developed.Find the cost of turfing the remaining portion at the rate of rs 28.50 per square metre.
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area of circle=πr²=22/7×17.5×17.5=962.5m²
remaining=2800-962.5=1837.5m²
Cost =1837.5×28.50=52368.75